AI-generated image description: Table showing Senate poll averages versus actual results for each state in 2014, with calculated Democratic bias per state and a weighted average bias of D +4.0.

AI-extracted visible text:
Senate Polls Had A Democratic Bias
STATE NUMBER OF POLLS POLL AVERAGE ACTUAL RESULT* BIAS
Colorado 21 R +1.8 R +5.0 D +3.2
North Carolina 21 D +0.5 R +1.7 D +2.2
Georgia 20 R +1.5 R +7.9 D +6.4
Iowa 18 R +1.6 R +8.5 D +7.0
New Hampshire 16 D +2.0 D +3.2 R +1.2
Michigan 11 D +12.6 D +13.3 R +0.7
Louisiana (primary) 10 D +4.7 D +1.1 D +3.6
Arkansas 9 R +4.7 R +17.0 D +12.3
Kentucky 8 R +6.6 R +15.5 D +8.9
Alaska 7 D +0.5 R +4.1 D +4.6
South Dakota 7 R +14.1 R +21.8 D +7.7
Maine 5 R +29.1 R +36.4 D

Originally embedded in "The Polls Were Skewed Toward Democrats", an article by Nate Silver: https://fivethirtyeight.com/features/the-polls-were-skewed-toward-democrats/?amp

Original source URL: https://fivethirtyeight.com/wp-content/uploads/2014/11/silver-feature-pollbias-table-11.png

AI disclosure: Image descriptions and visible-text extraction were generated using Sonnet 4.6 by Anthropic.

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